JPH01321148A - Presetting device for tool having previously positioning function - Google Patents

Abstract

PURPOSE:To carry out accurate positioning of a tool automatically and rapidly by providing an ID element having a memory function in the appropriate position of a tool and driving driving motors in accordance with the contents of its memory to carry out positioning. CONSTITUTION:Prior to inserting a defined tool 13 into the holder body 16 of a tool presetting device, a master model is put therein and its origin position is indicated by a CCD camera 11. Then, the tool 13 having an ID element 1 in which the tool length, tool diameter, material, etc. are stored is inserted and read by a read-write head, and its bit 14 is moved to a position conforming to the stored value and positioned while obtaining the rotating quantity of motors 8-10 necessary for projecting same within the image of the CCD camera 11, to operate the motors. Then, by judging whether or not the bit 14 is conforming to the contents of the ID element 1 based on the reference points fixed to the CCD image surface and, when there is difference, the position of the bit 14 is aligned by a position adjusting means. Thereby, the accurate positioning of the tool can be carried out automatically and rapidly.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a tool presetter having a preposition function suitable for automatically positioning the cutting edge of a tool whose cutting edge position is to be measured at a predetermined position using an ID element signal or the like. It is.

[Conventional technology]

A conventional tool presetter as shown in FIG. 3 has generally been employed.

A tool 13 holding a cutting edge 14, which is a part to be measured, has its tapered shank 15 held by a gripping body 16, fixed by a cylinder 17, and rotatably supported by a handle 27. A slide block 19 is attached to the handle 2 on a slide rail on the base 18 to which the grip body 16 is fixed.
8, and the amount of movement in the x-x axis direction is read by a linear scale 20. A pillar 21 is erected on the slide block 19, and a movable body 23a is supported on the pillar 21 so as to be movable in the Z-Z axis direction by a handle 29, and the amount of movement thereof is read by a linear scale 22. Dial gauges 30 and 31 are held on the movable body 23a.

The measuring elements 33 and 34 are located at positions where they can come into contact with the cutting edge 14 and are configured to measure the values of the cutting edge 14 in the X and Z axis directions. The projection screen 32 has the cutting edge 14 and the measuring tip 33
．． This is to provide an enlarged view of the contact state with 34 etc.

Before measuring the position of the cutting edge 14, a master model (not shown) is inserted into the grip body 16. A reference point corresponding to a reference position is formed at the upper end of the mask model. First, a reference point of the master model is interposed between the light source and the objective lens, and the reference point is aligned with the center of the cross line (orthogonal cross line) of the projection screen 32.
3 and 34 until they touch the reference point, read the value of the linear scale 20 and 22 at that time, and use this as the reference point 3. Next, remove the master model from the grip body 12, and remove the tool 1.
3 into the grip main body 16 as shown in FIG. After rotating the handle 27 and positioning it at the position where the cutting edge 14 protrudes the most from the side of the dial gauges 30 and 31, the probes 33 and 34 of the dial gauges 30 and 31 are brought into contact with the cutting edge 14, and the dial gauge in this position is 30,3
By reading the value 1, the value of the cutting edge 14 in the x-z direction, that is, the amount of wear, etc. can be measured. Next, although not shown, the cutting edge 14 is placed in an X position relative to the tool 13.

By moving the cutting edge 14 by the measurement area using a function to move it in the Z direction (mainly in the case of manual operation),
[Problems to be Solved by the Invention] Where Regular Positioning is Performed [Problems to be Solved by the Invention] With the above-described structure, the conventional tool presetter has a problem in that it requires skill and time to position the measurement point of the tool. In addition, tools are not limited to Komei tools, but include boring tools, milling tools, etc., and each tool has a different diameter, length, material, etc., and it is extremely difficult to find a presetter for the tool that matches the function of use. It is difficult and requires skill.

The present invention solves the above-mentioned problems.
It is an object of the present invention to provide a tool presetter having a preposition function that allows accurate positioning of a tool automatically and quickly regardless of its shape and dimensions, and allows adjustment according to the intended use.

[Means to solve the problem]

For this purpose, the present invention provides an ID element having a memory function at an appropriate position of the tool, and a read/write head, a read/write head,
A drive motor is provided for engaging the ID controller and the control drive unit and for rotating and moving the tool provided with the ID element in two directions, and driving the drive motor according to the memory contents of the ID element. This constitutes a tool presetter having a pre-position function for positioning.

[Effect]

The tool is supported by the tool presetter so that it can rotate and move in two directions, each of which is rotated by a motor. On the other hand, the memory contents such as the tool diameter and tool length stored in the ID element are caught by the read/write head and the ID controller, and the motor is driven according to the contents to position the tool at a predetermined measurement position. Also I
By adjusting the position of the tool cutting edge according to the memory contents stored in the D element, the tool cutting edge can be easily set at a desired position.

〔Example〕

Next, embodiments of the present invention will be described based on the drawings.

Components in FIG. 1 with the same reference numerals as in FIG. 3 are the same or have the same functions, and their explanation will be omitted.

As shown in FIG.
The ID element 1 is attached near the gripping portion of the tool 13 that is inserted and positioned within the tool 13. Of course, the ID element 1 is not limited to the illustrated position.

Further, although not shown, a read/write head 2 is engaged with the ID element 1 to read the memory contents of the ID element 1 and to write the memory contents therein. The ID controller 3 is provided in close proximity to the ID controller 3.6 Furthermore, as shown in FIG.
and the drive control unit 5.6.7, reads the memory contents of the ID element 1, and correspondingly connects the motor 8 (M
L).

9 (M2) and 10 (M,) by the required amount. Also, the control center is
D controller 3. ID via read/write head 2, etc.
A write operation for changing or additionally writing the memory contents of the element 1 can also be performed. That is, the ID element 1 is composed of a control circuit, a modulation circuit, a demodulation circuit, an electromagnetic coil, etc., the read/write head 2 is composed of an electromagnetic coil, an LC oscillator, etc., and the ID controller 3 is connected to a control center 4, and It has a control circuit, a modulation circuit, and a demodulation circuit, and these are known technologies.

As described above, the drive controls 5, 6.7 are connected to the control center 4 having computer functions.

It operates the motors 8, 9, and 10 by a predetermined amount, and for example, when the tool length and tool diameter of the ID element 1 of the tool 13 are read, the cutting edge 14 is positioned at a predetermined position, and the tool keyway (tool ID This is for positioning by reading the relative angular position of the cutting edge with respect to the embedded position of the element. That is, the motor 8 (M) is provided on the grip body 16 for rotating the tool 13, the motor 9 (M2) is for moving the slide base 19 in the direction of the X-X axis in the figure, and the motor 10 (M3) is for rotating the tool 13. This is for moving the moving body 23 in the 2-2 axis direction.

A CCD camera 11 and its light source 12 for mapping the cutting edge 14 of the tool 13 are attached to the movable body 23 that is slidably supported by a pillar 21 erected on the slide base 19. The image is formed on a CCD image plane (not shown) so that the position can be measured.

Furthermore, as shown in FIG. 2, the controller center 4 includes a keyboard 24. CRT25. A printer 26 and the like is attached, and is configured to perform control operations, display and print out the contents of the control currently being performed.

Next, the operation of this embodiment will be explained in more detail.

First, a predetermined tool 1 is attached to the grip body 16 of the tool presector.
Insert the master model (not shown) before inserting 3.
The CCD camera 11 displays the reference point position. Next, the ID in which the tool length, tool diameter, material, etc. is stored
The tool 13 with the element 1 is inserted into the gripping body 16 .

At the same time as the insertion, as described above, the read/write head 2 reads the contents 2 such as the tool length and tool diameter stored in the ID element 1, and this information is transmitted to the control center 4 via the ID controller 3. The control center 4 operates motors 8, 9 . Calculate the rotation amount of 10,
The motors 8, 9, 10 are operated via the drive control units 5, 6.7. As a result, the cutting edge 14 of the tool 13 is set at a predetermined position, and this is imaged on the COD image plane. As mentioned above, since a reference point is imaged in advance on the COD image plane, whether or not the cutting edge of the tool 13 is at a position that matches the content stored in the ID element 1 is checked in the CCD image plane. This becomes clear by counting the values of the COD pixels. If the position of the cutting edge 14 is different,
By aligning the blade edge 14 with a position adjustment means (not shown) for the blade edge 14, the blade edge 14 is positioned at a predetermined position with high precision.

The above explanation has been given for the case where the blade edge 14 is made to match what is stored in the ID element 1, but conversely, the memory contents of the element 1 are changed to match the actual position of the blade edge 14, and the actual You can also match it with It is also possible to change the memory contents of the ID element 1 in accordance with the position of the cutting edge that has been adjusted and moved to a desired position.

As described above, the tool presetter, which conventionally positioned the cutting edge 14 of the tool 13 manually, can now automatically position the cutting edge 14 of the tool 13 at a predetermined position. By combining a position adjustment device and the like, the position of the tool cutting edge can be freely changed and the memory of the ID element 1 can be rewritten, making it possible to position the tool over a wide range.

〔Effect of the invention〕

As is clear from the above explanation, according to the present invention, accurate positioning of the tool is automatically and quickly performed regardless of the type, shape, and dimensions of the tool, and adjustments can be made according to the intended use. The effects that can be achieved can be improved.

[Brief explanation of the drawing]

Fig. 1 is a side view showing the overall structure of one embodiment of the present invention;
The figure is a configuration diagram of an embodiment, and FIG. 3 is a side view of a conventional tool presetter. 1... Data carrier (ID element), 2... Read/write head, 3... ID controller. 4... Control center, 5, 6.7... Drive control unit, 8, 9, 10... Motor, 11... CCD camera, 12... Light source, 13... Tool, 14... ...Blade tip, 15...Tapered shank. 16...Gripping body, 17...Cylinder, 18...
Base, 19...Slide block, 20°22...
・Linear scale, 21...column, 23° 23a...
Mobile body, 24...keyboard. 25...CRT, 26...Printer, 27°28.
29... Handle, 30. 31... Dial gauge, 32... Projection screen, 33° 34... Measuring head. Fang 1 diagram ω ■ 0

Claims (1)

[Claims] In a tool presetter that supports a tool rotatably and movably in two directions in order to position the cutting edge within a measuring beam, the tool is equipped with a data carrier (ID element) having a memory function for recording tool diameter, tool length, etc. ), a motor is provided as a drive source for rotating and moving the tool in two directions, and a control circuit including a read/write head, an ID controller, a control drive unit, etc. is interposed between the ID element and the motor, A tool presetter having a preposition function configured to operate each of the motors in accordance with the memory of the ID element.